Nightlife
#27426b
A blue that is nearly neutral — the hue shows only against a true grey. It is dark — it carries white text and needs care with black.
Hex
#27426b
RGB
39, 66, 107
OKLCh
37.9% 0.078 258.5°
CIELAB (D50)
27.4, 0.3, -27.5
What is true of this colour, and of no other
- 9 other named colours sit within ΔE00 2 of it.
- It uses 54% of the chroma sRGB can show at this lightness and hue.
- As text on white it measures APCA Lc 93.3; on black, Lc -9.2. The sign is the polarity, which the WCAG ratio discards.
- Built into an eleven-step scale, 10 of the 10 adjacent pairs stay ΔE00 2 apart — see the ramp.
- protanopia and deuteranopia and tritanopia shift it by ΔE00 8.4 and 7.9 and 7.2 — no red cone.
Text on this colour
White text
10.11:1 — passes AA
Black text
2.08:1 — fails AA
White text is the better of the two at10.11:1. That is enough for body text.
The same colour, with one cone missing
As you see it
#27426b
protanopia
#40406b · ΔE00 8.4
deuteranopia
#3c3c6b · ΔE00 7.9
tritanopia
#373789 · ΔE00 7.2
The twelve nearest named colours
Ranked by CIEDE2000 — perceptual distance, not hex arithmetic. The closest isElmer’s Echo at ΔE00 0.917: below 1.0 — an ordinary observer cannot tell these apart, even side by side. What the numbers mean.
- Elmer’s EchoΔE00 0.917 · #264066
- LimogesΔE00 1.148 · #243f6c
- Cold CurrentΔE00 1.298 · #234272
- Blue MosqueΔE00 1.362 · #21426b
- Blue FunkΔE00 1.481 · #2d4470
- Monaco BlueΔE00 1.688 · #274376
- Black TurmericΔE00 1.886 · #2c4364
- Napoleonic BlueΔE00 1.958 · #2c4170
- MystificationΔE00 1.969 · #2a4071
- Blue ExpanseΔE00 2.019 · #253f74
- Aegean BlueΔE00 2.113 · #1b416f
- Deep Ocean FloorΔE00 2.205 · #2c4173
8 of these have no page of their own: pages exist for the 4,961 colours the dataset marks as good names.